1. "Hallelujah," from Christ on the Mount of Olives, Beethoven

2. "Hallelujah," from Various Positions, Leonard Cohen

3. "Hallelujah," from Live, Leonard Cohen

4. "Hallelujah," from Messiah, Handel

5/6. "Hallelujah," from whatever it was that Jeff Buckley/Rufus Wainright version is from, since I can't really tell those two apart so much.

7-a bajillionty-four. "Hallelujah," from any of the other cover versions of Hallelujah out there, most of which are probably not worth mentioning.

Honorable Mention: "Hallelujah, Amen," from Judas Maccabaeus, Handel.